/usr/share/check_mk/checks/md is in check-mk-server 1.1.12-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | #!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# | ____ _ _ __ __ _ __ |
# | / ___| |__ ___ ___| | __ | \/ | |/ / |
# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
# | | |___| | | | __/ (__| < | | | | . \ |
# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
# | |
# | Copyright Mathias Kettner 2010 mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation in version 2. check_mk is distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more de-
# ails. You should have received a copy of the GNU General Public
# License along with GNU Make; see the file COPYING. If not, write
# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301 USA.
# Example for output from agent (contents of /proc/mdstat):
# ---------------------------------------------------------
# Personalities : [raid1]
# md1 : active raid1 dm-19[0] dm-9[1]
# 20971456 blocks [2/2] [UU]
# 20971456 blocks super 1.2 [2/2] [UU]
#
# md2 : active (auto-read-only) raid1 sda6[0] sdb6[1]
# 4200952 blocks super 1.0 [2/2] [UU]
# bitmap: 0/9 pages [0KB], 256KB chunk
#
# unused devices: <none>
# ---------------------------------------------------------
# Another example (with RAID 5 and spare disk (md2) and a RAID-0
# device (md3)
# ---------------------------------------------------------
# Personalities : [raid1] [raid6] [raid5] [raid4]
# md2 : active raid5 sde1[3](S) sdd1[0] sdg1[2] sdf1[1]
# 976767872 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
#
# md0 : active raid1 sdb1[1] sda1[0]
# 104320 blocks [2/2] [UU]
#
# md1 : active raid1 sdb3[1] sda3[0]
# 486239232 blocks [2/2] [UU]
#
# md4 : active (auto-read-only) raid1 sda6[0] sdb6[1]
# 4200952 blocks super 1.0 [2/2] [UU]
# resync=PENDING
# bitmap: 9/9 pages [36KB], 256KB chunk
#
# md3 : active raid0 sdb3[0] sda3[1]
# 16386048 blocks 64k chunks
#
# unused devices: <none>
# ---------------------------------------------------------
def inventory_md(info):
inventory = []
for line in info:
if len(line) < 3:
continue
if line[0].startswith("md") and line[1] == ':':
device = line[0]
raid_state = line[2]
elif line[1] == 'blocks':
if line[-1] != "chunks": # ignore RAID 0 devices
disk_state = line[-1][1:-1]
inventory.append( (device, '%s / %s' % (raid_state, disk_state), None) )
return inventory
def check_md(item, params, info):
raid_state = ''
its_next = False
for line in info:
if line[0] == item and line[1] == ':':
raid_state = line[2]
if raid_state != 'active' and raid_state != 'active(auto-read-only)':
return (2, "CRIT - raid state is '%s' (should be 'active')" % (raid_state,))
# Usually (auto-read-only) sticks to active without a space.
# But on some kernels it appears separated by a space
if line[3] == '(auto-read-only)':
del line[3]
num_disks = len([x for x in line[4:] if not x.endswith("(S)") ]) # omit spare disks
its_next = True
elif its_next:
disk_state_1 = line[-2]
disk_state_2 = line[-1]
if disk_state_1 != '[%d/%d]' % (num_disks, num_disks) or \
disk_state_2 != '[' + ("U"*num_disks) + ']':
return (2, 'CRIT - disk state is %s %s (expected %d disks to be up)' %
(disk_state_1, disk_state_2, num_disks))
else:
return (0, 'OK - raid active, disk state is %s %s' % (disk_state_1, disk_state_2))
return (2, 'CRIT - no raid device %s' % item)
check_info['md'] = (check_md, "MD Softraid %s", 0, inventory_md)
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